Mid-Ohio Sports Car Course
Lexington, Ohio · 3.64 km · 2.26 mi · clockwise
Mid-Ohio Sports Car Course in Lexington, Ohio is modeled here on the Full Course with Chicane — the clockwise 15-turn layout that MotoAmerica and the venue's own motorcycle track days run — 3,641 m (2.26 mi) on the modeled centreline. Turn 5 is a flat-out kink the reference line runs straight through. Elsewhere the simulated profile splits sharply: Turns 1, 2 and 12 (Thunder Valley) hold minimums of 129–171 km/h (80–106 mph), while Turns 4, 7 and 8 drop to 74–75 km/h (46–47 mph). Heaviest braking is into Turn 6 off the back straight: 210 m on a liter bike. Simulated lap estimates: 1:33.4 for a liter bike (138.6 km/h / 86 mph average), 1:34.7 for a Supersport 600, 1:37.6 for a 650 twin. All figures are physics-simulation estimates.
All figures: physics-simulation estimates · generated 2026-10-02 · methodology & assumptions
Track outline © OpenStreetMap contributors (ODbL)
Mid-Ohio Sports Car Course — quick facts
Motorcycle track guide · simulation estimates · 2026-10-02
- Layout: Full Course with Chicane, 15 turns, run clockwise — 3,641 m (2.26 mi) on the modeled centreline
- Flat-out: Turn 5 is a kink the reference line runs straight through at 248 km/h (154 mph) on a Supersport 600, 277 km/h (172 mph) on a liter bike
- Fastest braked corner (simulated): Turn 12, Thunder Valley, 171 km/h (106 mph) minimum on a 193.5 m radius
- Slowest corner (simulated): Turn 7, 74 km/h (46 mph) minimum on a 35.9 m radius
- Longest simulated brake zone: 210 m into Turn 6 on a liter bike (162 m Supersport 600, 114 m twin)
- Biggest elevation changes: 5.4 m (18 ft) drop through the Keyhole, 4.4 m (14 ft) climb through Turn 13
- Longest single corners: Turn 1 at 210 m and the Keyhole at 171 m of arc
- Simulated lap estimates: 1:33.4 (liter bike), 1:34.7 (Supersport 600), 1:37.6 (650 twin)
Turn 1
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 148 km/h92 mph | 129 km/h80 mph | 158 km/h98 mph | 75 m246 ft | 110 m361 ft | +3.7 m+12 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
Turn 1 is the longest corner in the model at 210 m of arc: a left on a 110 m effective radius that climbs 3.7 m (12 ft) away from the start-finish straight. The simulation brakes 75 m out on a Supersport 600, 99 m on a liter bike and 48 m on a 650 twin, arriving at turn-in at about 148 km/h (92 mph) and holding a 129 km/h (80 mph) minimum through the long arc. The exit builds to 158 km/h (98 mph) on the fours and 155 km/h (96 mph) on the twin, one of the higher exit speeds on the circuit, straight into the chicane.
Turn 2
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 166 km/h103 mph | 156 km/h97 mph | 167 km/h104 mph | 48 m157 ft | 160 m524 ft | +2.7 m+9 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
Turn 3
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 124 km/h77 mph | 105 km/h65 mph | 117 km/h73 mph | 48 m157 ft | 73 m240 ft | +3.8 m+12 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
Turn 4 — Keyhole
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 83 km/h52 mph | 75 km/h47 mph | 139 km/h86 mph | 57 m187 ft | 37 m123 ft | -5.4 m-18 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
The Keyhole is a 171 m right on a 37.4 m effective radius that falls 5.4 m (18 ft), the largest descent on the circuit. The simulation brakes 57 m out on the fours and only 15 m on the twin, reaching turn-in at just 83 km/h (52 mph) and a 75 km/h (47 mph) minimum, within 2 km/h of the lap's slowest point. The exit is where the corner matters: 139 km/h (86 mph) on the Supersport 600 and liter bike, 134 km/h (83 mph) on the twin, launching the line onto the back straight and through the flat-out Turn 5 kink toward the highest speeds of the lap.
Turn 5
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 248 km/h154 mph | 248 km/h154 mph | 248 km/h154 mph | 0 m0 ft | 629 m2065 ft | +0.0 m+0 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
Turn 6
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 120 km/h75 mph | 91 km/h57 mph | 115 km/h72 mph | 162 m531 ft | 55 m180 ft | -3.2 m-10 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
Turn 6 hosts the heaviest braking on the circuit. At the end of the back straight the model starts slowing 210 m before the corner on a liter bike, 162 m on a Supersport 600 and 114 m on a 650 twin, so that all three classes reach the turn-in at 120 km/h (75 mph). The corner itself is a 126 m right on a 54.9 m effective radius, dropping 3.2 m (10 ft), with a 91 km/h (57 mph) minimum and an exit of 115 km/h (72 mph) — 114 km/h (71 mph) for the twin — into the tight Turn 7 that follows.
Turn 7
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 100 km/h62 mph | 74 km/h46 mph | 119 km/h74 mph | 18 m59 ft | 36 m118 ft | -2.3 m-8 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
Turn 8 — Esses
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 106 km/h66 mph | 75 km/h47 mph | 113 km/h70 mph | 30 m98 ft | 37 m123 ft | -1.0 m-3 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
Turn 9
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 134 km/h83 mph | 110 km/h68 mph | 128 km/h80 mph | 0 m0 ft | 80 m261 ft | +2.1 m+7 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
Turn 10
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 135 km/h84 mph | 107 km/h66 mph | 130 km/h80 mph | 9 m30 ft | 75 m246 ft | -2.6 m-9 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
Turn 11
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 121 km/h75 mph | 93 km/h58 mph | 136 km/h85 mph | 15 m49 ft | 57 m188 ft | +1.8 m+6 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
Turn 12 — Thunder Valley
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 182 km/h113 mph | 171 km/h106 mph | 174 km/h108 mph | 30 m98 ft | 194 m635 ft | +2.9 m+10 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
Turn 13
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 126 km/h78 mph | 100 km/h62 mph | 127 km/h79 mph | 57 m187 ft | 67 m219 ft | +4.4 m+14 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
Turn 14 — Carousel
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 111 km/h69 mph | 80 km/h50 mph | 106 km/h66 mph | 18 m59 ft | 42 m138 ft | -1.1 m-4 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed
Turn 15
| Entry | Min | Exit | Brake start | Eff. radius | Elev Δ |
|---|---|---|---|---|---|
| 118 km/h73 mph | 89 km/h55 mph | 137 km/h85 mph | 3 m10 ft | 52 m172 ft | -0.8 m-3 ft |
Supersport 600 preset · simulation estimates · liter-bike and 650-twin figures for every corner ship in the all-access pack · how these are computed